KTM 450 EXC-F Six Days - 2017 Specifications and Reviews

The 2017 KTM 450 EXC-F Six Days is a high-performance enduro bike engineered for competitive off-road racing and experienced riders tackling extreme terrain. Known for its potent 450cc four-stroke engine, lightweight construction at 106.5kg, and premium WP suspension, it excels in challenging cross-country and Six Days events. The electric starter and manageable 960mm seat height offer practicality despite its serious competition pedigree.

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General information

CategoryEnduro / offroad
Year2017
ModelKTM 450 EXC-F Six Days

Engine and Transmission Specifications

Driveline5/8 x 1/4
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
IgnitionKeihin EMS
Fuel systemInjection
Bore x Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Engine detailsTwo titanium intake valves plus two steel exhaust valves
Engine typeSingle cylinder, four-stroke
Capacity:449.30 ccm (27.42 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Brake calipers on floating bearings
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc. Brake calipers on floating bearings
Rear wheel travel310 mm (12.2 inches)
Rear SuspensionWP Xplor PDS shock absorber
Front wheel travel300 mm (11.8 inches)
Front SuspensionWP-USD Xplor 48 with preload adjuster
Rake (fork angle)26.5°
Frame typeChrome-molybdenum steel central-tube
 
 

Physical measures and capacities

Fuel capacity8.50 litres (2.25 gallons)
Wheelbase1,482 mm (58.3 inches)
Ground clearance355 mm (14.0 inches)
Seat height960 mm (37.8 inches) If adjustable, lowest setting.
Dry weight106.5 kg (234.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric & kick
Color optionsOrange/white/red/blue

Performance Profile & Rider Fit

Best For

Track40%
City15%
Cornering85%
Daily Riding15%
Touring20%
Passenger5%

Rider Profile

Best ForThis bike is built for experienced off-road riders and competition-level enduro racers, not beginners.
PurposeIt's a purpose-built extreme enduro and hard-terrain competition machine, closely derived from KTM's factory Six Days race edition.
Rider FitAt just over 106 kg dry weight with a tall 960 mm seat, it demands good fitness, strong legs, and confident standing-riding technique.
CharacterSharp, light, and explosive, it rewards aggressive throttle control and precise body positioning with race-bred agility over rocks, roots, and ruts.
Not Ideal ForThis is not a good fit for commuting, casual road riding, two-up touring, or anyone wanting a comfortable, low-maintenance daily bike.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2017 KTM 450 EXC-F Six Days Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 960mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2017 KTM 450 EXC-F Six Days, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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